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Finding the Fourth Proportional to 539,553.77, 744,584.34 and 297,836.50

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Solution

The fourth proportional to 539,553.77, 744,584.34 and 297,836.50 is: 411,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,553.77 : 744,584.34 = 297,836.50 : x
  2. Step 2: Convert to fraction form
    539,553.77/744,584.34 = 297,836.50/x
  3. Step 3: Cross multiply
    539,553.77x = 744,584.34 × 297,836.50
  4. Step 4: Simplify right side
    539,553.77x = 221,764,394,431.91
  5. Step 5: Solve for x
    x = 221,764,394,431.91/539,553.77
  6. Step 6: Final answer
    x = 411,014.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.